Home / 231,010.29-346,517.43-81,251.67

Finding the Fourth Proportional to 231,010.29, 346,517.43 and 81,251.67

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Solution

The fourth proportional to 231,010.29, 346,517.43 and 81,251.67 is: 121,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,010.29 : 346,517.43 = 81,251.67 : x
  2. Step 2: Convert to fraction form
    231,010.29/346,517.43 = 81,251.67/x
  3. Step 3: Cross multiply
    231,010.29x = 346,517.43 × 81,251.67
  4. Step 4: Simplify right side
    231,010.29x = 28,155,119,871.61
  5. Step 5: Solve for x
    x = 28,155,119,871.61/231,010.29
  6. Step 6: Final answer
    x = 121,878.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.